81549273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 124185600

約数和(自身を除く): 42636327

約数列:

[1, 3, 13, 19, 39, 57, 167, 247, 501, 659, 741, 1977, 2171, 3173, 6513, 8567, 9519, 12521, 25701, 37563, 41249, 110053, 123747, 162773, 330159, 488319, 1430689, 2091007, 4292067, 6273021, 27183091, 81549273]

約数ペア:

[(1, 81549273), (3, 27183091), (13, 6273021), (19, 4292067), (39, 2091007), (57, 1430689), (167, 488319), (247, 330159), (501, 162773), (659, 123747), (741, 110053), (1977, 41249), (2171, 37563), (3173, 25701), (6513, 12521), (8567, 9519)]